The 701 rifle (701 çªÂÃ¥ÂȾÂ¥æª) was a prototype assault rifle intended to rival the Type 63 in the 66-136 programme.
The 701 rifle uses an unusual cartridge short-recoil operation (not to be confused with recoil operation as it uses a fixed barrel) in conjunction with an annular chamber groove to seal the chamber. When firing, the cartridge sets back a short distance of 1.1-1.5mm to a stop and the bolt carrier continues to recoil due to inertia, unlocking the rotating bolt.